public static RunTask Start(Action action, int delay)
{
var run = new RunTask();
var task = Task.Delay(delay, run.GetToken());
task.ContinueWith(t =>
{
try
{
run.GetToken().ThrowIfCancellationRequested();
action();
}
catch (Exception)
{
}
});
return run;
}
public static RunTask Start(Action action, int delay)
{
var run = new RunTask();
var task = Task.Delay(delay, run.GetToken());
task.ContinueWith(t =>
{
try
{
run.GetToken().ThrowIfCancellationRequested();
action();
}
catch (Exception)
{
}
});
return(run);
}
private void ScheduleMaxTimeNoTestConReceivedFuture()
{
if (maxTimeNoTestConReceivedFuture != null)
{
maxTimeNoTestConReceivedFuture.Cancel();
maxTimeNoTestConReceivedFuture = null;
}
maxTimeNoTestConReceivedFuture = PeriodicTaskFactory.Start(() =>
{
Close();
ConnectionClosed?.Invoke(new IOException(
"The maximum time that no test frame confirmation was received (t1) has been exceeded. t1 = "
+ settings.MaxTimeNoAckReceived + "ms"));
}, settings.MaxTimeNoAckReceived);
}
private void ResetMaxIdleTimeTimer()
{
if (maxIdleTimeTimerFuture != null)
{
maxIdleTimeTimerFuture.Cancel();
maxIdleTimeTimerFuture = null;
}
maxIdleTimeTimerFuture = PeriodicTaskFactory.Start(() =>
{
try
{
writer.Write(TestfrActBuffer, 0, TestfrActBuffer.Length);
writer.Flush();
}
catch (Exception)
{
// ignored
}
ScheduleMaxTimeNoTestConReceivedFuture();
}, settings.MaxIdleTime);
}
public void Send(ASdu aSdu)
{
acknowledgedReceiveSequenceNumber = receiveSequenceNumber;
var requestAPdu = new APdu(sendSequenceNumber, receiveSequenceNumber, APdu.ApciType.FORMAT, aSdu);
sendSequenceNumber = (sendSequenceNumber + 1)%32768;
if (maxTimeNoAckSentFuture != null)
{
maxTimeNoAckSentFuture.Cancel();
maxTimeNoAckSentFuture = null;
}
if (maxTimeNoAckReceivedFuture == null)
{
ScheduleMaxTimeNoAckReceivedFuture();
}
var length = requestAPdu.Encode(buffer, settings);
writer.Write(buffer, 0, length);
writer.Flush();
ResetMaxIdleTimeTimer();
}